Depending on the pitcher the Cubs receive in return from the Nationals, the Cubs 40-man roster will stand at 38 players once the trade is made official. The Cubs figure to add a right-handed hitting outfielder to the active roster prior to Monday night’s makeup game against the White Sox.

The Cubs signed Scott Hairston to two-year, $5 million contract in the off-season that included a $2 million incentives package for both the 2013 and 2014 season.